The following extract comes The Guardian article Lord Deben: Thatcherite turned green warrior defends Climate Act by Fiona Harvey....Some Tory MPs have taken to booing and jeering every time the Climate Change Act is mentioned in the Commons. A growing section of the party would like the Committee on Climate Change to be scrapped and the act repealed.

Their hero is climate sceptic Peter Lilley, a former cabinet colleague of Deben's under John Major, and recently appointed to the select committee on energy and climate change, where he will play a key role in recommending changes to legislation. Lilley's appointment is seen as a bridgehead for his fellow rightwingers to attack the act and all green policies. Their campaign got a further boost when Osborne's father-in-law was recorded saying the chancellor was opposing the "absurd" climate targets. Another rightwing Tory, the junior energy minister John Hayes, has prompted a series of rows with the secretary of state, the Lib Dem Ed Davey, over wind energy....click source for full report from Fiona Harvey

» How much "Man Made" CO2 Is In The Earth's Atmosphere?
I think ALL of the CO2 in the Earth's Atmosphere is from man.
I'm not sure how much "Man Made" CO2 is in the Earth's Atmosphere.
There is .04% CO2 in the Earth's Atmosphere and of that "Man" has added an extra 4% (1 part in 62,500)